A garbage truck with a retractable RFID reader

Abstract

The present invention relates to a garbage truck with a telescopic RFID reader / writer, which is composed of a rear-mounted compression garbage truck, a chassis frame, a garbage can lifting arm, a hydraulic cylinder, a garbage can hanging rack, a garbage can, an RFID electronic tag, an RFID reader / writer, an electric push rod, a vehicle speed sensor, an MCU controller, etc. The RFID electronic tag is fixed to the lower part of the front of the garbage can, and the RFID reader / writer is installed at the middle and rear part of the chassis frame of the garbage truck. When the vehicle is stationary and the speed is 0, the RFID reader / writer is driven by the electric push rod to extend, go down to the bottom of the chassis frame of the garbage truck, and read the information in the RFID electronic tag at the bottom of the garbage can. When the vehicle is driving and the speed is not 0, the RFID reader / writer is driven by the electric push rod to be retracted and go up to the upper part of the chassis frame of the garbage truck to prevent the vehicle from being bumped and contaminated when driving, and belongs to the field of garbage classification and real-time weighing of garbage transport vehicles.

Description

Technical field:

[0001] The present invention relates to a garbage truck with a telescopic RFID reader / writer, which is composed of a rear-mounted compression garbage truck, a chassis frame, a garbage bin lifting arm, a garbage bin hanging rack, a hydraulic cylinder, a garbage bin, an RFID electronic tag, an RFID reader / writer, an electric push rod, a vehicle speed sensor, an MCU controller, etc. The RFID electronic tag is fixed to the lower part of the front of the garbage bin, and the RFID reader / writer is installed at the middle and rear part of the chassis frame of the garbage truck. When the vehicle is stationary and the speed is 0, the RFID reader / writer is driven by the electric push rod to extend, go down to the bottom of the chassis frame of the garbage truck, and read the information in the RFID electronic tag at the bottom of the garbage bin. When the vehicle is driving and the speed is not 0, the RFID reader / writer is driven by the electric push rod to be retracted and go up to the upper part of the chassis frame of the garbage truck to prevent the vehicle from being bumped and contaminated when driving, and belongs to the field of garbage classification and real-time weighing of garbage transport vehicles. Background technology:

[0002] In the field of garbage classification and real-time weighing of garbage trucks, RFID readers are often used to read the information such as the garbage bin number, garbage classification number, and garbage bin weight in the RFID electronic tags on the garbage bins. Invention patent application number 201910570522.8, which relates to a sanitation vehicle weighing system and operation method, mentions the role of the RFID identification module, but does not involve the problems faced during its use and the installation method. In fact, when the RFID reader reads the information in the RFID electronic tag, there is an effective reading and writing angle of about 60 。 —120 。 , outside the effective reading angle, called the reading blind area, the information will not be read or will be misread. When loading and unloading garbage on a rear-mounted compression garbage truck, there are two side-by-side garbage cans. When using an RFID reader to read the information in the RFID electronic tags on the two garbage cans at the same time, the RFID reader must be placed at the symmetrical center of the two garbage cans, which is likely to cause the RFID electronic tags to be located in the reading blind area of ​​the RFID reader, resulting in missed reading or misreading of information. In addition, the metal plate of the garbage can hanging rack will also block the RFID reader from reading the information in the RFID electronic tag.

[0003] An effective way to avoid the reading blind spot is to increase the distance between the RFID reader and the RFID electronic tag, that is, to install the RFID reader as far away from the RFID electronic tag on the trash can as possible.

[0004] An effective way to prevent the metal plate of the trash can rack from blocking the RFID reader from reading the information in the RFID tag is to place the RFID reader at the bottom of the chassis frame and read the information in the RFID tag placed at the bottom of the trash can. Because usually, there is a certain height between the metal plate of the trash can rack and the ground. If the RFID tag is installed below this height, the information read will not be blocked by the metal plate of the trash can rack.

[0005] Lowering the height between the RFID reader and the ground, although the information is no longer blocked by the metal plate of the trash can rack, it is also closer to the ground and is easily bumped and contaminated during driving. Therefore, it is necessary to design the RFID reader into an extendable and retractable structure, extending it when the vehicle is stationary and reading information, and retracting it when the vehicle is driving. Summary of the invention:

[0006] In view of the shortcomings and defects of the prior art, the present invention relates to a garbage truck with a telescopic RFID reader / writer, which is composed of a rear-mounted compression garbage truck, a chassis frame, a garbage can lifting arm, a garbage can hanging rack, a hydraulic cylinder, a garbage can, an RFID electronic tag, an RFID reader / writer, an electric push rod, a vehicle speed sensor, an MCU controller, etc. The RFID electronic tag is fixed to the lower part of the front of the garbage can, and the RFID reader / writer is installed at the middle and rear part of the chassis frame of the garbage truck. When the vehicle is stationary and the speed is 0, the RFID reader / writer is extended by the electric push rod, goes down to the bottom of the chassis frame of the garbage truck, and reads the information in the RFID electronic tag at the bottom of the garbage can. When the vehicle is driving and the speed is not 0, the RFID reader / writer is retracted by the electric push rod and goes up to the upper part of the chassis frame of the garbage truck to prevent the vehicle from being bumped and contaminated while driving.

[0007] The present invention is realized by the following technical scheme. The present invention relates to a garbage truck with a telescopic RFID reader, which is composed of a rear-mounted compression garbage truck, a chassis frame, a garbage can lifting arm, a hydraulic cylinder, a garbage can hanging rack, a garbage can, an RFID electronic tag, an RFID reader, an electric push rod, a vehicle speed sensor, an MCU controller, etc., and is characterized in that: the RFID electronic tag is fixed to the lower part of the front of the garbage can, the RFID reader is located in the middle and rear part of the chassis frame of the garbage truck, the RFID reader is fixed to the lower end of the electric push rod, the RFID reader is driven by the electric push rod to extend downward or retract upward, the upper end of the electric push rod is fixed on the chassis frame, the instruction of the electric push rod to extend downward or retract upward is issued by the MCU controller, and the vehicle speed sensor sends the vehicle speed information of the vehicle in a stationary state or a driving state to the MCU controller.

[0008] The present invention is also characterized in that the electric push rod can also be a gas cylinder or an oil cylinder.

[0009] The present invention is also characterized in that after the electric push rod drives the RFID reader to extend downward to the bottom of the chassis frame of the garbage truck, the RFID reader and the RFID electronic tag will not be blocked by the metal plate of the garbage bin hanging rack.

[0010] The present invention is also characterized in that after the electric push rod drives the RFID reader to extend downward to the bottom of the chassis frame of the garbage truck, the distance between the RFID reader and the RFID electronic tags on the two garbage bins is close, so that the RFID electronic tag information on the two garbage bins can be read simultaneously without blind spots.

[0011] The working principle of the present invention is as follows: when the vehicle is stationary and the speed is 0, the RFID reader is extended by an electric push rod, moves down to the bottom of the chassis frame of the garbage truck, and reads the information in the RFID electronic tag at the bottom of the garbage can; when the vehicle is moving and the speed is not 0, the RFID reader is retracted by an electric push rod and moves up to the upper part of the chassis frame of the garbage truck to prevent the RFID reader from being bumped and contaminated when the vehicle is moving.

[0012] The present invention has substantial features and significant progress. The present invention relates to a garbage truck with a telescopic RFID reader, which is composed of a rear-mounted compression garbage truck, a chassis frame, a garbage can lifting arm, a garbage can hanging rack, a hydraulic cylinder, a garbage can, an RFID electronic tag, an RFID reader, an electric push rod, a vehicle speed sensor, an MCU controller, etc. The RFID electronic tag is fixed to the lower part of the front of the garbage can, and the RFID reader is installed at the middle and rear part of the chassis frame of the garbage truck. When the vehicle is stationary and the speed is 0, the RFID reader is extended by the electric push rod, goes down to the bottom of the chassis frame of the garbage truck, and reads the information in the RFID electronic tag at the bottom of the garbage can. When the vehicle is driving and the speed is not 0, the RFID reader is retracted by the electric push rod and goes up to the upper part of the chassis frame of the garbage truck to prevent the vehicle from being bumped and contaminated while driving. Description of the drawings:

[0013] Attached Figure 1 A side view schematic diagram showing the relative positions of the components.

[0014] Attached Figure 2 This is a schematic diagram of the relative positions of the trash can rack and two trash cans.

[0015] Attached Figure 3 Schematic diagram of the distance and angle between the RFID tags on two trash cans and the RFID reader. Specific implementation method:

[0016] As shown in the accompanying drawings, the present invention relates to a garbage truck with a telescopic RFID reader / writer. The present invention relates to a garbage truck with a telescopic RFID reader / writer, which is composed of a rear-mounted compression garbage truck 1, a chassis frame 2, a garbage bin lifting arm 3, a hydraulic cylinder 4, a garbage bin hanging rack 5, a garbage bin 6, an RFID electronic tag 7, an RFID reader / writer 8, an electric push rod 9, a vehicle speed sensor 10, an MCU controller 11, etc., and is characterized in that: the RFID electronic tag 7 is fixed to the lower part of the front of the garbage bin 6, the RFID reader / writer 8 is located in the middle and rear part of the chassis frame 2 of the garbage truck, the RFID reader / writer 8 is fixed to the lower end of the electric push rod 9, the RFID reader / writer 8 is driven by the electric push rod to extend downward or retract upward, the upper end of the electric push rod 9 is fixed on the chassis frame 2, the instruction for the electric push rod 9 to extend downward or retract upward is issued by the MCU controller 11, and the vehicle speed sensor 10 sends the vehicle speed information of the vehicle in a stationary state or a driving state to the MCU controller 11.

[0017] The present invention is also characterized in that the electric push rod 9 can also be a gas cylinder or an oil cylinder.

[0018] The present invention is also characterized in that after the electric push rod 9 extends the RFID reader 8 downward to the bottom of the chassis frame 2 of the garbage truck, the RFID reader 8 and the RFID electronic tag 7 will not be blocked by the metal plate of the garbage bin hanging rack 5.

[0019] The present invention is also characterized in that: when the electric push rod 9 drives the RFID reader 8 to extend downward to the bottom of the chassis frame of the garbage truck, the distance between the RFID reader 8 and the RFID electronic tags 7-1 and 7-2 on the two garbage cans 6-1 and 6-2 is equal or close, and the RFID electronic tag 7-1 on the first garbage can 6-1 and the RFID electronic tag 7-2 on the second garbage can 6-2 are symmetrically distributed with the RFID reader 8 as the center, forming an isosceles triangle relationship. There is no obstruction and no blind spot on their respective straight paths. The RFID electronic tag 7-1 on the first garbage can 6-1 and the RFID electronic tag 7-2 on the second garbage can 6-2 can be read by the RFID reader 8 at the same time.

[0020] The working principle of the present invention is as follows: when the vehicle is stationary and the speed is 0, the RFID reader 8 is extended by the electric push rod 9, goes down to the bottom of the chassis frame of the garbage truck, and reads the information in the RFID electronic tag 7 at the bottom of the garbage can 6; when the vehicle is moving and the speed is not 0, the RFID reader 8 is retracted by the electric push rod 9 and goes up to the upper part of the chassis frame of the garbage truck to prevent the RFID reader 8 from being bumped and contaminated when the vehicle is moving.

Claims

1. A garbage truck with a telescopic RFID reader / writer, comprising a rear-mounted compression garbage truck (1), a chassis frame (2), a garbage bin lifting arm (3), a hydraulic cylinder (4), a garbage bin hanging rack (5), a garbage bin (6), an RFID electronic tag (7), an RFID reader / writer (8), an electric push rod (9), a vehicle speed sensor (10), and an MCU controller (11), characterized in that: The RFID electronic tag (7) is fixed to the lower part of the front of the garbage bin (6); the RFID reader (8) is located at the middle and rear part of the chassis frame (2) of the garbage truck; the RFID reader (8) is fixed to the lower end of the electric push rod (9); the RFID reader (8) is driven by the electric push rod (9) to extend downward or retract upward; the upper end of the electric push rod (9) is fixed to the chassis frame (2); the instruction for the electric push rod (9) to extend downward or retract upward is issued by the MCU controller (11); the vehicle speed sensor (10) sends vehicle speed information of the vehicle in a stationary state or a driving state to the MCU controller (11); After the electric push rod (9) drives the RFID reader (8) to extend downward to the bottom of the garbage truck chassis frame (2), the RFID reader (8) and the RFID electronic tag (7) will not be blocked by the metal plate of the garbage bin hanging rack (5); The trash can (6) comprises a first trash can (6-1) and a second trash can (6-2).

2. A garbage truck with a retractable RFID reader according to claim 1, characterized in that: When the electric push rod (9) drives the RFID reader (8) to extend downward to the bottom of the chassis frame of the garbage truck (1), the RFID electronic tag (7-1) on the first garbage bin (6-1) and the RFID electronic tag (7-2) on the second garbage bin (6-2) are symmetrically distributed with the RFID reader (8) as the center, and there is no obstruction and no blind spot on their respective straight paths. The RFID electronic tag (7-1) on the first garbage bin (6-1) and the RFID electronic tag (7-2) on the second garbage bin (6-2) can be read by the RFID reader (8) at the same time.

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